<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"
        name="viewport">
  <meta content="ie=edge" http-equiv="X-UA-Compatible">
  <title>Alpine.js x-effect directive.</title>

  <script defer src="https://unpkg.com/alpinejs@3.x.x/dist/cdn.min.js"></script>
</head>
<body>
<div x-data="{ label: 'Hello' }" x-effect="console.log(label)">
  <button @click="label += ' World!'">Change Message</button>
</div>
</body>
</html>